package com.cyz.web.app.function.optional;

import com.cyz.web.app.function.stream.Author;

import java.util.List;
import java.util.Optional;

public class Client {

    public static void main(String[] args) {
        test01();

    }

    private static void test01() {
        List<Author> authors = Author.getAuthors();
        Optional<List<Author>> optional = Optional.ofNullable(authors);


    }

}
